/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*	  http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.sirona.util;

import java.io.*;

/**
 *
 */
public class SerializeUtils
{
	private SerializeUtils()
	{
		// no op just an helper class
	}


	public static byte[] serialize( Object object )
	{
		try
		{
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ObjectOutputStream oos = new ObjectOutputStream( baos );
			oos.writeObject( object );
			oos.flush();
			oos.close();
			return baos.toByteArray();
		}
		catch ( IOException e )
		{
			// ignore as should not happen anyway log the stack trace
			e.printStackTrace();
		}
		return null;
	}

	public static <T> T deserialize( byte[] source, final Class<T> tClass )
	{
		try
		{
			ByteArrayInputStream bis = new ByteArrayInputStream( source );
			ObjectInputStream ois = new ObjectInputStream( bis )
			{

				@Override
				protected Class<?> resolveClass( ObjectStreamClass objectStreamClass )
					throws IOException, ClassNotFoundException
				{
					return tClass;
				}

			};
			T obj = tClass.cast( ois.readObject() );
			ois.close();
			return obj;
		}
		catch ( Exception e )
		{
			// ignore as should not happen anyway log the stack trace
			e.printStackTrace();
		}

		return null;
	}
}
